Home / 8,281.18-11,427.86-4,504.27

Finding the Fourth Proportional to 8,281.18, 11,427.86 and 4,504.27

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Solution

The fourth proportional to 8,281.18, 11,427.86 and 4,504.27 is: 6,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.18 : 11,427.86 = 4,504.27 : x
  2. Step 2: Convert to fraction form
    8,281.18/11,427.86 = 4,504.27/x
  3. Step 3: Cross multiply
    8,281.18x = 11,427.86 × 4,504.27
  4. Step 4: Simplify right side
    8,281.18x = 51,474,115.87
  5. Step 5: Solve for x
    x = 51,474,115.87/8,281.18
  6. Step 6: Final answer
    x = 6,215.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.